changeset 15761:424706b22c1a

8153674: Expected SocketException not thrown when calling bind() with setReuseAddress(false) Reviewed-by: chegar, msheppar
author vtewari
date Tue, 04 Oct 2016 21:59:16 +0530
parents d428848b11ad
children e32bdc5deec2
files src/java.base/share/classes/java/net/MulticastSocket.java test/java/net/DatagramSocket/ReuseAddressTest.java
diffstat 2 files changed, 478 insertions(+), 20 deletions(-) [+]
line wrap: on
line diff
--- a/src/java.base/share/classes/java/net/MulticastSocket.java	Tue Oct 04 08:32:49 2016 -0700
+++ b/src/java.base/share/classes/java/net/MulticastSocket.java	Tue Oct 04 21:59:16 2016 +0530
@@ -93,23 +93,19 @@
     /**
      * Create a multicast socket.
      *
-     * <p>If there is a security manager,
-     * its {@code checkListen} method is first called
-     * with 0 as its argument to ensure the operation is allowed.
-     * This could result in a SecurityException.
+     * <p>
+     * If there is a security manager, its {@code checkListen} method is first
+     * called with 0 as its argument to ensure the operation is allowed. This
+     * could result in a SecurityException.
      * <p>
      * When the socket is created the
-     * {@link DatagramSocket#setReuseAddress(boolean)} method is
-     * called to enable the SO_REUSEADDR socket option. When
-     * {@link StandardSocketOptions#SO_REUSEPORT SO_REUSEPORT} is
-     * supported then
-     * {@link DatagramSocketImpl#setOption(SocketOption, Object)}
-     * is called to enable the socket option.
+     * {@link DatagramSocket#setReuseAddress(boolean)} method is called to
+     * enable the SO_REUSEADDR socket option.
      *
-     * @exception IOException if an I/O exception occurs
-     * while creating the MulticastSocket
-     * @exception  SecurityException  if a security manager exists and its
-     *             {@code checkListen} method doesn't allow the operation.
+     * @exception IOException if an I/O exception occurs while creating the
+     * MulticastSocket
+     * @exception SecurityException if a security manager exists and its
+     * {@code checkListen} method doesn't allow the operation.
      * @see SecurityManager#checkListen
      * @see java.net.DatagramSocket#setReuseAddress(boolean)
      * @see java.net.DatagramSocketImpl#setOption(SocketOption, Object)
@@ -174,17 +170,13 @@
         // Enable SO_REUSEADDR before binding
         setReuseAddress(true);
 
-        // Enable SO_REUSEPORT if supported before binding
-        if (supportedOptions().contains(StandardSocketOptions.SO_REUSEPORT)) {
-            this.setOption(StandardSocketOptions.SO_REUSEPORT, true);
-        }
-
         if (bindaddr != null) {
             try {
                 bind(bindaddr);
             } finally {
-                if (!isBound())
+                if (!isBound()) {
                     close();
+                }
             }
         }
     }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/net/DatagramSocket/ReuseAddressTest.java	Tue Oct 04 21:59:16 2016 +0530
@@ -0,0 +1,466 @@
+/* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.io.IOException;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.MulticastSocket;
+import java.net.SocketException;
+
+/*
+ * @test
+ * @bug 8153674
+ * @summary Expected SocketException not thrown when calling bind() with
+ *   setReuseAddress(false)
+ * @run main/othervm ReuseAddressTest
+ */
+
+public class ReuseAddressTest {
+
+    String getInfo(DatagramSocket soc) {
+        if (soc == null) {
+            return null;
+        }
+
+        return "localPort: " + soc.getLocalPort()
+                + "; localAddress: " + soc.getLocalAddress()
+                + "; remotePort: " + soc.getPort()
+                + "; remoteAddress: " + soc.getInetAddress()
+                + "; isClosed: " + soc.isClosed()
+                + "; isBound: " + soc.isBound();
+    }
+
+    static InetSocketAddress createSocketAddress(int testMcastPort) throws Exception {
+        InetAddress localAddress = InetAddress.getLocalHost();
+        InetSocketAddress localSocketAddress = new InetSocketAddress(localAddress, testMcastPort);
+        return localSocketAddress;
+    }
+
+    /* standalone interface */
+    public static void main(String argv[]) throws Exception {
+        ReuseAddressTest test = new ReuseAddressTest();
+        test.DatagramSocket0029();
+        test.DatagramSocket0030();
+        test.DatagramSocket0031();
+        test.DatagramSocket0032();
+        test.DatagramSocket0034();
+        test.DatagramSocket0035();
+        test.DatagramSocket2028();
+        test.DatagramSocket2029();
+        test.DatagramSocket2030();
+
+    }
+
+    /**
+     * Equivalence class partitioning with input values orientation for public
+     * void setReuseAddress(boolean on) throws SocketException,
+     * <br><b>on</b>: false.
+     * <br><b>Expected results</b>: getReuseAddress() will return false
+     */
+    public void DatagramSocket0029() throws Exception {
+        String testCaseID = "DatagramSocket0029";
+        System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+        DatagramSocket ds = null;
+        try {
+            ds = new DatagramSocket(null);
+            ds.setReuseAddress(false);
+            if (ds.getReuseAddress() == true) {
+                throw new RuntimeException("SO_REUSEADDR is not set to false");
+            }
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("unexpected: " + e);
+        } catch (SecurityException e) {
+            System.out.println("Security restriction");
+        } finally {
+            if (ds != null) {
+                ds.close();
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Equivalence class partitioning with input values orientation for public
+     * void setReuseAddress(boolean on) throws SocketException,
+     * <br><b>on</b>: true.
+     * <br><b>Expected results</b>: Allows completely duplicate bindings (same
+     * address and port) on multicast sockets
+     */
+    public void DatagramSocket0030() throws Exception {
+        String testCaseID = "DatagramSocket0030";
+        System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+        MulticastSocket ms1 = null;
+        MulticastSocket ms2 = null;
+        try {
+            InetSocketAddress addr = createSocketAddress(5050);
+
+            ms1 = new MulticastSocket(null);
+            ms1.setReuseAddress(true);
+            if (!ms1.getReuseAddress()) {
+                System.out.println("Cannot check: "
+                        + " safety for SO_REUSEADDR option is not guaranteed");
+            }
+
+            try {
+                ms1.bind(addr);
+            } catch (SocketException e) {
+                throw new RuntimeException("cannot bind first socket to " + addr
+                        + " unexpected " + e);
+            }
+
+            ms2 = new MulticastSocket(null);
+            ms2.setReuseAddress(true);
+            if (!ms2.getReuseAddress()) {
+                System.out.println("Cannot check: "
+                        + " safety for SO_REUSEADDR option is not guaranteed");
+            }
+
+            try {
+                ms2.bind(addr);
+            } catch (SocketException e) {
+                throw new RuntimeException("cannot bind second socket to " + addr
+                        + " unexpected " + e);
+            }
+
+            if (ms1.getLocalPort() != addr.getPort() || !ms1.isBound()
+                    || ms2.getLocalPort() != addr.getPort() || !ms2.isBound()) {
+                System.out.println("bind() fails with: " + addr);
+                System.out.println("  ms1 [" + getInfo(ms1) + "]");
+                System.out.println("  ms2 [" + getInfo(ms2) + "]");
+                System.out.println("  getReuseAddress(): " + ms2.getReuseAddress());
+                throw new RuntimeException("bind() fails with: " + addr);
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("unexpected: " + e);
+        } catch (SecurityException e) {
+            System.out.println("Security restriction");
+        } finally {
+            if (ms1 != null) {
+                ms1.close();
+            }
+            if (ms2 != null) {
+                ms2.close();
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Equivalence class partitioning with input values orientation for public
+     * void setReuseAddress(boolean on) throws SocketException,
+     * <br><b>on</b>: false.
+     * <br><b>Expected results</b>: The second bind will throw SocketException,
+     * when SO_REUSEADDR disable
+     */
+    public void DatagramSocket0031() throws Exception {
+        String testCaseID = "DatagramSocket0031";
+        System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+        MulticastSocket ms1 = null;
+        MulticastSocket ms2 = null;
+        try {
+            InetSocketAddress addr = createSocketAddress(6060);
+
+            ms1 = new MulticastSocket(null);
+            try {
+                ms1.bind(addr);
+            } catch (SocketException e) {
+                throw new RuntimeException("cannot bind first socket to " + addr
+                        + " unexpected " + e);
+            }
+
+            ms2 = new MulticastSocket(null);
+            ms2.setReuseAddress(false);  // method under test
+
+            try {
+                ms2.bind(addr);
+                System.out.println("No exceptions: ");
+                System.out.println("  addr: " + addr);
+                System.out.println("  ms1 [" + getInfo(ms1) + "]");
+                System.out.println("  ms2 [" + getInfo(ms2) + "]");
+                System.out.println("  getReuseAddress(): " + ms2.getReuseAddress());
+                throw new RuntimeException("no exceptions from bind() with " + addr);
+            } catch (SocketException e) {
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("unexpected: " + e);
+        } catch (SecurityException e) {
+            System.out.println("Security restriction");
+        } finally {
+            if (ms1 != null) {
+                ms1.close();
+            }
+            if (ms2 != null) {
+                ms2.close();
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Equivalence class partitioning with input values orientation for public
+     * void setReuseAddress(boolean on) throws SocketException,
+     * <br><b>on</b>: true.
+     * <br><b>Expected results</b>: Allows a single process to bind the same
+     * port to multiple sockets as long as each bind specifies a different local
+     * IP address
+     */
+    public void DatagramSocket0032() throws Exception {
+        String testCaseID = "DatagramSocket0032";
+        System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+        DatagramSocket ds1 = null;
+        DatagramSocket ds2 = null;
+        try {
+
+            InetSocketAddress isa = createSocketAddress(7070);
+            InetAddress addr = isa.getAddress();
+            InetAddress wildcard = InetAddress.getByName("0.0.0.0");
+            if (addr.equals(wildcard) || addr.isLoopbackAddress()) {
+                System.out.println("Cannot check: addresses are equal");
+            }
+
+            InetSocketAddress isa1 = new InetSocketAddress(addr, isa.getPort());
+            InetSocketAddress isa2 = new InetSocketAddress(wildcard, isa.getPort());
+
+            ds1 = new DatagramSocket(null);
+            ds1.setReuseAddress(true);    // method under test
+            if (!ds1.getReuseAddress()) {
+                System.out.println("Cannot check: "
+                        + " safety for SO_REUSEADDR option is not guaranteed");
+            }
+            ds1.bind(isa1);
+
+            ds2 = new DatagramSocket(null);
+            ds2.setReuseAddress(true);    // method under test
+            if (!ds2.getReuseAddress()) {
+                System.out.println("Cannot check: "
+                        + " safety for SO_REUSEADDR option is not guaranteed");
+            }
+
+            try {
+                ds2.bind(isa2);
+            } catch (SocketException e) {
+                throw new RuntimeException("cannot bind second socket to " + isa2
+                        + " unexpected " + e);
+            }
+
+            if (ds1.getLocalPort() != isa.getPort() || !ds1.isBound()
+                    || ds2.getLocalPort() != isa.getPort() || !ds2.isBound()) {
+                System.out.println("bind() fails with: " + addr);
+                System.out.println("  ds1 [" + getInfo(ds1) + "]");
+                System.out.println("  ds2 [" + getInfo(ds2) + "]");
+                System.out.println("  getReuseAddress(): " + ds2.getReuseAddress());
+                throw new RuntimeException("bind() fails with: " + addr);
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("unexpected: " + e);
+        } catch (SecurityException e) {
+            System.out.println("Security restriction");
+        } finally {
+            if (ds1 != null) {
+                ds1.close();
+            }
+            if (ds2 != null) {
+                ds2.close();
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Assertion testing for public int getTrafficClass() throws
+     * SocketException, will return a number in range from 0 to 255 or throw
+     * SocketException.
+     */
+    public void DatagramSocket2028() throws Exception {
+        String testCaseID = "DatagramSocket2028";
+        System.out.println(" >> " + testCaseID + ": " + "public int getTrafficClass() throws SocketException");
+
+        DatagramSocket ds = null;
+        try {
+            ds = new DatagramSocket();
+            int tc = ds.getTrafficClass();
+            if (tc < 0 || tc > 255) {
+                throw new RuntimeException("getTrafficClass() returns: " + tc);
+            }
+        } catch (SecurityException e) {
+            System.out.println("Security restriction: " + e);
+        } catch (SocketException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("Unexpected exception : " + e);
+        } finally {
+            if (ds != null) {
+                ds.close();
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Assertion testing for public void setTrafficClass(int tc) throws
+     * SocketException, IAE will be thrown with tc less than 0 or greater than
+     * 255.
+     */
+    public void DatagramSocket2029() throws Exception {
+        String testCaseID = "DatagramSocket2029";
+        System.out.println(" >> " + testCaseID + ": " + "public void setTrafficClass(int tc) throws SocketException");
+
+        DatagramSocket ds = null;
+        try {
+            ds = new DatagramSocket();
+        } catch (SecurityException e) {
+            System.out.println("Security restriction: " + e);
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("cannot create socket: " + e);
+        }
+
+        int[] values = {
+            Integer.MIN_VALUE, Integer.MIN_VALUE + 1, -1000, -2, -1,
+            256, 257, 1000, 50000, Integer.MAX_VALUE - 1, Integer.MAX_VALUE
+        };
+
+        for (int i = 0; i < values.length; i++) {
+            try {
+                ds.setTrafficClass(values[i]);
+                System.out.println("No exception with: " + values[i]);
+                System.out.println("getTrafficClass() returns: " + ds.getTrafficClass());
+                ds.close();
+                throw new RuntimeException("setTrafficClass() fails with : " + values[i]);
+            } catch (SocketException e) {
+                ds.close();
+                e.printStackTrace(System.out);
+                throw new RuntimeException("setTrafficClass() throws : " + e);
+            } catch (IllegalArgumentException e) {
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Assertion testing for public void setTrafficClass(int tc) throws
+     * SocketException, only SocketException may be thrown with tc in range from
+     * 0 to 255.
+     */
+    public void DatagramSocket2030() throws Exception {
+        String testCaseID = "DatagramSocket2030";
+        System.out.println(" >> " + testCaseID + ": " + "public void setTrafficClass(int tc) throws SocketException");
+
+        DatagramSocket ds = null;
+        try {
+            ds = new DatagramSocket();
+        } catch (SecurityException e) {
+            System.out.println("Security restriction: " + e);
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("cannot create socket: " + e);
+        }
+
+        for (int i = 0; i <= 255; i++) {
+            try {
+                ds.setTrafficClass(i);
+            } catch (SocketException e) {
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Equivalence class partitioning with input values orientation for public
+     * void setBroadcast(boolean on) throws SocketException,
+     * <br><b>on</b>: false.
+     * <br><b>Expected results</b>: getBroadcast() will return false
+     */
+    public void DatagramSocket0034() throws Exception {
+        String testCaseID = "DatagramSocket0034";
+        System.out.println(" >> " + testCaseID + ": " + "public void setBroadcast(boolean on) throws SocketException");
+
+        DatagramSocket ds = null;
+        try {
+            ds = new DatagramSocket();
+            ds.setBroadcast(false);
+            if (ds.getBroadcast() == true) {
+                throw new RuntimeException("SO_BROADCAST is not set to false");
+            }
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("unexpected: " + e);
+        } catch (SecurityException e) {
+            System.out.println("Security restriction");
+        } finally {
+            if (ds != null) {
+                ds.close();
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+
+    /**
+     * Equivalence class partitioning with input values orientation for public
+     * void setBroadcast(boolean on) throws SocketException,
+     * <br><b>on</b>: true.
+     * <br><b>Expected results</b>: getBroadcast() will return true
+     */
+    public void DatagramSocket0035() throws Exception {
+        String testCaseID = "DatagramSocket0035";
+        System.out.println(" >> " + testCaseID + ": " + "public void setBroadcast(boolean on) throws SocketException");
+
+        DatagramSocket ds = null;
+        try {
+            ds = new DatagramSocket();
+            ds.setBroadcast(true);
+            if (ds.getBroadcast() == false) {
+                throw new RuntimeException("SO_BROADCAST is not set to true");
+            }
+        } catch (IOException e) {
+            e.printStackTrace(System.out);
+            throw new RuntimeException("unexpected: " + e);
+        } catch (SecurityException e) {
+            System.out.println("Security restriction");
+        } finally {
+            if (ds != null) {
+                ds.close();
+            }
+        }
+
+        System.out.println("OKAY");
+    }
+}